How to use: Simply put on these fun hamburger socks just like you would with any regular pair of socks. They're perfect for everyday wear or to add a unique touch to your outfit. Attention: As mentioned, this product can expose you to certain chemicals, so handle with care. Maintenance: You can machine - wash these socks in cold water with like colors. Tumble dry on low. Avoid using bleach to keep the navy color looking vibrant.